A222904 Number of nX6 0..3 arrays with no more than floor(nX6/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order

14, 403, 18981, 1346067, 115414184, 10615237672, 997770825049, 94604903182085, 9012490921248651, 861543012964481923, 82597017010401785014, 7938843940520801537695, 764786022222127620615363

Offset

1,1

Comments

Column 6 of A222906

Links

R. H. Hardin, Table of n, a(n) for n = 1..48

Example

Some solutions for n=3
..0..0..1..0..1..2....0..0..0..0..1..1....0..0..0..0..1..0....0..1..1..2..2..2
..2..2..2..2..2..2....0..0..0..0..2..2....0..0..0..0..1..1....1..2..2..2..2..2
..2..2..2..2..2..2....0..0..0..2..1..1....0..0..0..2..1..3....3..2..2..2..2..2

Crossrefs

Sequence in context: A041367 A041364 A353609 * A239785 A275025 A236156

Adjacent sequences: A222901 A222902 A222903 * A222905 A222906 A222907

Keyword

nonn

Author

R. H. Hardin Mar 09 2013

Status

approved